Finding the Fourth Proportional to 22,770.57, 34,159.05 and 7,976.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,770.57 : 34,159.05 = 7,976.10 : x
2. Step 2: Convert to fraction form
   22,770.57/34,159.05 = 7,976.10/x
3. Step 3: Cross multiply
   22,770.57x = 34,159.05 × 7,976.10
4. Step 4: Simplify right side
   22,770.57x = 272,455,998.71
5. Step 5: Solve for x
   x = 272,455,998.71/22,770.57
6. Step 6: Final answer
   x = 11,965.27